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EMS interface boards
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Introduction
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The EMS interface board is compatible with all EMS versions like EMS, EMS+ and Heatronic.
It has a 3V3-5V compatible interface for interfacing with a standard UART (serial port) of a microcontroller like the Arduino and the ESP8266.

.. image:: ../images/hardware/ems-interface-board-v1-1.jpg
   :width: 49%
   :alt: EMS interface board
.. image:: ../images/hardware/ems-board-white.jpg
   :width: 49%
   :alt: EMS interface board


Note: depending on the batch the color of the circuit board may be different. There is however no difference in function.


You can find even more information on my `BBQKees Github repository`_.

.. target-notes::
.. _`BBQKees Github repository`: https://github.com/bbqkees/Nefit-Buderus-EMS-bus-Arduino-Domoticz